Németh became the leader of the MSZP's Budapest Fraction, serving in this position until 2006.

She unsuccessfully ran for mayor of Rákosmente (District XVII of Budapest) in 2014 and 2019 too, but was defeated by Levente Riz and Tamás Horváth, respectively.

Németh ran for an individual seat in Újbuda Budapest 2nd constituency) during the 2018 parliamentary election, but was defeated by Fidesz candidate István Simicskó.

On the Hungarian Opposition Primary, 2021, she unsuccessfully ran as an individual constituency candidate.

[2] After she won a seat in the National Assembly on the 2022 Hungarian parliamentary election by being the 14th candidate on the national list of the joint opposition alliance United for Hungary, she gave up her deputy mayoral position, because under Hungarian law one cannot hold local governmental and national politician offices in the same time.